Imagine you are a die-hard member of party a, but you wanted the less popular candidate from party b to be party a's general election opponent. what type of primary election system would allow you to vote for the less popular candidate in party b during the primaries without changing parties?

Open primary system

Explanation: This kind of system is referring to a primary election that is not requiring voters to be bounded with political parties.

The voters can vote trough a secret ballot Those voters of open primary systems can select a ballot of one party and they can vote for the nomination.  

Open primary system would allow in this case to vote for the candidate that is less popular in party B.  

the money supply is the total amount of money available in the economy. how do changes in the money supply affect people and businesses?

can you explain it better